Hi Giulio,
Thanks for your interest.
The pseudo-time step size (pseudo-dt) is restricted by the explicit CFL
limit. You seem to be running the case with higher Re and your mesh
probably contains smaller elements than the inc_2d_cyl case, so you need
decrease pseudo-dt for the simulation to remain stable.
Cheers,
Niki
On 13/01/20 08:25, Giulio Ortali wrote:
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Hello everyone,
I am new to pyfr, and i need to use it in order to generate some high
fidelty data on a 2D incompressible airfoil problem. I tried
replicating the inc_2d_cylinder case by changing the mesh, generated
using gmsh. However, when i launch the run, I obtain all NaN in all
the domain after the first timestep, and i don't understand why. I
upload the geo, msh and ini files.
Thank you in advance,
Giulio
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